Results 61 to 70 of about 3,121,819 (231)

Two new species of Molophilus Curtis from the Mediterranean and Transcaucasia (Diptera, Limoniidae) [PDF]

open access: yesZooKeys, 2019
Two new species of the genus Molophilus Curtis, 1833 are described, Molophilus (Molophilus) rohaceki sp. nov. (Italy: Calabria) and M. (M.) soldani sp. nov. (Azerbaijan), and their male terminalia are illustrated.
Jaroslav Starý, Jozef Oboňa
doaj   +3 more sources

Bononia, the Roman Bologna: Archaeoastronomy and Chronology [PDF]

open access: yes, 2019
In an article written by Giulio Magli on the orientation of the Roman towns, Bononia, the Roman Bologna, is given as a specific example to support Magli's thesis on the existence of preferred solar alignments of the urban layout. Assuming that the Roman towns had been oriented to the sunrise on a given day of the year, Magli suggested possible ...
arxiv   +1 more source

Why Y chromosome is shorter and women live longer? [PDF]

open access: yesEur. Phys. J. B 65, 149-153 (2008), 2008
We have used the Penna ageing model to analyze how the differences in evolution of sex chromosomes depend on the strategy of reproduction. In panmictic populations, when females (XX) can freely choose the male partner (XY) for reproduction from the whole population, the Y chromosome accumulates defects and eventually the only information it brings is a
arxiv   +1 more source

Nephroprotective Effect of Green Synthesised Gold Nanoparticles Using Bark Extract of Terminalia Arjuna on Acetaminophen Induced Nephrotoxicity in Male Albino Rat

open access: yesInternational Journal of Pharma and Bio Sciences, 2020
: Green synthesised gold nanoparticles offer a great promise in biomedicine. An overdose of acetaminophen causes severe hepatotoxicity and nephrotoxicity.
Dilip K Nandi1   +4 more
semanticscholar   +1 more source

A new species of Neotropical Drosophila (Diptera, Drosophilidae) belonging to the guarani group

open access: yesRevista Brasileira de Entomologia
Drosophila butantan sp. nov., a species belonging to the guarani group and closely related to Drosophila nigrifemur from Bolivia, is described based on a female, and some of its offspring, collected at the forest reserve of the Instituto de Biociências ...
Vilma Ratcov   +2 more
doaj   +1 more source

A new Neotropical species of spot-thoraxed Drosophila (Diptera, Drosophilidae) Uma nova espécie Neotropical de Drosophila com tórax pintado (Diptera, Drosophilidae)

open access: yesRevista Brasileira de Entomologia, 2007
Drosophila pauliceia sp. nov., a spot-thoraxed species closely related to Drosophila boraceia Vilela & Val, 2004, is described from flies collected in an urban remnant of the montane Atlantic Forest located at the Cidade Universitária "Armando de Salles ...
Vilma Ratcov, Carlos R. Vilela
doaj   +1 more source

Excitatory and inhibitory interactions affect the balance of chorus activity and energy efficiency in the aggregation of male frogs: Theoretical study using a hybrid dynamical model [PDF]

open access: yesarXiv, 2021
We theoretically study the role of excitatory and inhibitory interactions in the aggregations of male frogs. In most frogs, males produce sounds to attract conspecific females, which activates the calling behavior of other males and results in collective choruses.
arxiv  

How women organize social networks different from men [PDF]

open access: yesScientific Reports 3, 1214 (2013), 2012
Superpositions of social networks, such as communication, friendship, or trade networks, are called multiplex networks, forming the structural backbone of human societies. Novel datasets now allow quantification and exploration of multiplex networks. Here we study gender-specific differences of a multiplex network from a complete behavioral dataset of ...
arxiv   +1 more source

Preliminary data on the geographical distribution of Drosophila species within morphoclimatic domains of Brazil. III. The cardini group

open access: yesRevista Brasileira de Entomologia, 2002
A reanalysis, based on museum specimens, of our previously published data on the geographical distribution of the species of Drosophila belonging to the cardini group in Brazil is presented and discussed.
Carlos Ribeiro Vilela   +2 more
doaj   +1 more source

Simulating Male Selfish Strategy in Reproduction Dispute [PDF]

open access: yes, 2002
We introduce into the Penna Model for biological ageing one of the possible male mechanisms used to maximize the ability of their sperm to compete with sperm from other males. Such a selfish mechanism increases the male reproduction success but may decrease the survival probability of the whole female population, depending on how it acts.
arxiv   +1 more source

Home - About - Disclaimer - Privacy